N°2651 rollback gitignore for lib tests dirs

Too dangerous ! We'll work properly on this but for 2.8

lib/symfony/http-kernel/Tests/DataCollector/ConfigDataCollectorTest.php

@@ -0,0 +1,66 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Tests\DataCollector;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Config\Loader\LoaderInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\DataCollector\ConfigDataCollector;
+use Symfony\Component\HttpKernel\Kernel;
+
+class ConfigDataCollectorTest extends TestCase
+{
+    public function testCollect()
+    {
+        $kernel = new KernelForTest('test', true);
+        $c = new ConfigDataCollector();
+        $c->setKernel($kernel);
+        $c->collect(new Request(), new Response());
+
+        $this->assertSame('test', $c->getEnv());
+        $this->assertTrue($c->isDebug());
+        $this->assertSame('config', $c->getName());
+        $this->assertSame('testkernel', $c->getAppName());
+        $this->assertRegExp('~^'.preg_quote($c->getPhpVersion(), '~').'~', PHP_VERSION);
+        $this->assertRegExp('~'.preg_quote((string) $c->getPhpVersionExtra(), '~').'$~', PHP_VERSION);
+        $this->assertSame(PHP_INT_SIZE * 8, $c->getPhpArchitecture());
+        $this->assertSame(class_exists('Locale', false) && \Locale::getDefault() ? \Locale::getDefault() : 'n/a', $c->getPhpIntlLocale());
+        $this->assertSame(date_default_timezone_get(), $c->getPhpTimezone());
+        $this->assertSame(Kernel::VERSION, $c->getSymfonyVersion());
+        $this->assertNull($c->getToken());
+        $this->assertSame(\extension_loaded('xdebug'), $c->hasXDebug());
+        $this->assertSame(\extension_loaded('Zend OPcache') && filter_var(ini_get('opcache.enable'), FILTER_VALIDATE_BOOLEAN), $c->hasZendOpcache());
+        $this->assertSame(\extension_loaded('apcu') && filter_var(ini_get('apc.enabled'), FILTER_VALIDATE_BOOLEAN), $c->hasApcu());
+    }
+}
+
+class KernelForTest extends Kernel
+{
+    public function getName()
+    {
+        return 'testkernel';
+    }
+
+    public function registerBundles()
+    {
+    }
+
+    public function getBundles()
+    {
+        return [];
+    }
+
+    public function registerContainerConfiguration(LoaderInterface $loader)
+    {
+    }
+}